diff options
Diffstat (limited to 'arch/um/include')
| -rw-r--r-- | arch/um/include/os.h | 1 | ||||
| -rw-r--r-- | arch/um/include/sysdep-i386/tls.h | 4 | ||||
| -rw-r--r-- | arch/um/include/user_util.h | 3 |
3 files changed, 8 insertions, 0 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 1b780b5dacbe..f88856c28a66 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -173,6 +173,7 @@ extern int os_fchange_dir(int fd); extern void os_early_checks(void); extern int can_do_skas(void); extern void os_check_bugs(void); +extern void check_host_supports_tls(int *supports_tls, int *tls_min); /* Make sure they are clear when running in TT mode. Required by * SEGV_MAYBE_FIXABLE */ diff --git a/arch/um/include/sysdep-i386/tls.h b/arch/um/include/sysdep-i386/tls.h index 938f953b26cc..918fd3c5ff9c 100644 --- a/arch/um/include/sysdep-i386/tls.h +++ b/arch/um/include/sysdep-i386/tls.h @@ -25,4 +25,8 @@ typedef struct um_dup_user_desc { typedef struct user_desc user_desc_t; # endif /* __KERNEL__ */ + +#define GDT_ENTRY_TLS_MIN_I386 6 +#define GDT_ENTRY_TLS_MIN_X86_64 12 + #endif /* _SYSDEP_TLS_H */ diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h index 615f2f0a32d0..fe0c29b5144d 100644 --- a/arch/um/include/user_util.h +++ b/arch/um/include/user_util.h @@ -8,6 +8,9 @@ #include "sysdep/ptrace.h" +/* Copied from kernel.h */ +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + #define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR)) extern int mode_tt; |